void QgsTileScaleWidget::layerChanged( QgsMapLayer *layer )
{
QgsRasterLayer *rl = qobject_cast<QgsRasterLayer *>( layer );
if ( !rl || rl->providerKey() != "wms" || !rl->publicSource().contains( "tiled=" ) )
{
mResolutions.clear();
mSlider->setDisabled( true );
}
else
{
QString uri = rl->publicSource().mid( rl->publicSource().indexOf( "tiled=" ) + 6 );
int pos = uri.indexOf( "," );
if ( pos >= 0 )
uri = uri.left( pos );
QStringList params = uri.split( ";" );
params.takeFirst();
params.takeFirst();
mResolutions.clear();
foreach( QString r, params )
mResolutions << r.toDouble();
qSort( mResolutions );
for ( int i = 0; i < mResolutions.size(); i++ )
QgsDebugMsg( QString( "found resolution %1: %2" ).arg( i ).arg( mResolutions[i] ) );
mSlider->setRange( 0, mResolutions.size() - 1 );
mSlider->setTickInterval( 1 );
mSlider->setInvertedAppearance( true );
mSlider->setPageStep( 1 );
mSlider->setTracking( false );
scaleChanged( mMapCanvas->scale() );
mSlider->setEnabled( true );
show();
}
}
void QgsRasterCalcDialog::insertAvailableRasterBands()
{
mAvailableRasterBands = QgsRasterCalculatorEntry::rasterEntries().toList();
mRasterBandsListWidget->clear();
for ( const auto &entry : qgis::as_const( mAvailableRasterBands ) )
{
QgsRasterLayer *rlayer = entry.raster;
if ( rlayer && rlayer->dataProvider() && rlayer->dataProvider()->name() == QLatin1String( "gdal" ) )
{
if ( !mExtentSizeSet ) //set bounding box / resolution of output to the values of the first possible input layer
{
setExtentSize( rlayer->width(), rlayer->height(), rlayer->extent() );
mCrsSelector->setCrs( rlayer->crs() );
}
QListWidgetItem *item = new QListWidgetItem( entry.ref, mRasterBandsListWidget );
item->setData( Qt::ToolTipRole, rlayer->publicSource() );
mRasterBandsListWidget->addItem( item );
}
}
}
